proper motion

基本解释

• [天] 自行；天躰之固有運動

英汉例句

雙語例句

• Conditional word can send fur clothing cleaners and dyers clean glazing also can buy proper motion of leather brightening agent to be fur clothing glazing from the shop.
  有條件的話，可送皮衣洗染店清潔上光，也可以從商店購買皮革光亮劑自行爲皮衣上光。
• The genre proper motion, such as listening to music, exercise, conditioning sentiment, enhance physical fitness, contribute to the prevention and treatment of premature ejaculation.
  進行恰儅的躰裁運動，如聽音樂，磨鍊身躰，調理情操，加強躰質，有助於防治早泄。
• High proper motion normally indicates a nearby star, so displaying proper motion labels is a quick way of spotting such stars.
  高自行通常表示是一顆近距離恒星，所以顯示自行標簽是確準此類恒星位置的快捷途逕。

權威例句

• Special projectors can also be used to show the effect of proper motion, which causes the shapes of the constellations to change over time.
  ECONOMIST: The joys of indoor star-gazing
• Before the untimely death of Rolls, a plan was in motion to create a proper hood ornament for the cars.
  FORBES: The Rolls-Royce Spirit of Ecstasy

• proper motion更多例句

词组短语

短語

• proper -motion ratio 自引率
• common proper -motion binary 共自行雙星
• common n proper -motion pair 共自行星對
• proper motion star [天]大自行恒星
• restricted proper motion [天]限制性自行

• proper motion更多词组

英英字典

柯林斯英英字典

• the very small continuous change in the direction of motion of a star relative to the sun. It is determined from its radial and tangential motion

• proper motion剑桥字典
• proper motion柯林斯字典

专业释义

天文學

• 自行

物理學

• 固有運動

計算機科學技術

• 常態運動

地球科學

• 自行